var jsonArray = [

    { "user": { "id": 100, "screen_name": "d_linq" }, "text": "to objects" },

    { "user": { "id": 130, "screen_name": "c_bill" }, "text": "g" },

    { "user": { "id": 155, "screen_name": "b_mskk" }, "text": "kabushiki kaisha" },

    { "user": { "id": 301, "screen_name": "a_xbox" }, "text": "halo reach" }

]

// ["b_mskk:kabushiki kaisha", "c_bill:g", "d_linq:to objects"]

var queryResult = Enumerable.From(jsonArray)

    .Where(function (x) { return x.user.id < 200 })

    .OrderBy(function (x) { return x.user.screen_name })

    .Select(function (x) { return x.user.screen_name + ':' + x.text })

    .ToArray();

// shortcut! string lambda selector

var queryResult2 = Enumerable.From(jsonArray)

    .Where("$.user.id < 200")

    .OrderBy("$.user.screen_name")

    .Select("$.user.screen_name + ':' + $.text")

    .ToArray();